Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Rc2 draw
2 Rc3 draw
3 Rc4 draw
4 Kc7 loss in 10 half-moves
5 Kd7 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves